Function SampleGrid

czxing/src/main/cpp/zxing/src/datamatrix/DMDetector.cpp:198–203

}

static DetectorResult SampleGrid(const BitMatrix& image, const ResultPoint& topLeft, const ResultPoint& bottomLeft,
								 const ResultPoint& bottomRight, const ResultPoint& topRight, int width, int height)
{
	return SampleGrid(image, width, height,
					  {Rectangle(width, height, 0.5), {topLeft, topRight, bottomRight, bottomLeft}});
}

/**
* Returns the z component of the cross product between vectors BC and BA.